from functools import reduce
def fn(x,y):
    return x*10+y
def str2int(s):
    def fn(x,y):
        return x*10+y
    def char2num(s):
        print {'0':0,'1':1,'2':2,'3':3,'4':4,'5':5}[s]
        return {'0':0,'1':1,'2':2,'3':3,'4':4,'5':5}[s]
    return reduce(fn,map(char2num,s))
'''def normalize(name):
    for i in name:
        name.lower()
    name[0]=name[0].upper()
    return name
L1 = ['adam', 'LISA', 'barT']
L2=map(normalize,L1)
print L2'''